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Raphael is twice as old as his sister. The sum of their ages is less than 30. What is the greatest age Raphael sister can be?
A. 20 years old
B. 15 years old
C. 9 years old
D. 10 years old

Respuesta :

wittygirl01

Answer:

10

Step-by-step explanation:

I plugged in different numbers.

10*2 is 20

20+10=30

sunshinet1983

Answer:

The greatest age Raphael's sister can be is 9 years old.

Step-by-step explanation:

1.15 Quiz: Applications - Inequalities

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